# Forked from Alpine, so we can build it with Librem 5 phone support
pkgname=u-boot-librem5
pkgver=0.8
pkgrel=0
# 'librem5' branch in atf repo
_atfversion="92c2de12d36b31938ce940d5cac3c30a98665237"
# 'librem5' branch in uboot repo
_ubootversion="c6956b68d33fa08a17629cddceb00b93ce6d4d41"
_m4version="a017421c340a69f2392086da93841244f78a03c5"
_firmwareversion="8.8"
pkgdesc="u-boot bootloader for the Purism Librem5 phone"
url="http://www.denx.de/wiki/U-Boot/"
arch="aarch64"
license="GPL-2.0-or-later OFL-1.1 BSD-2-Clause BSD-3-Clause eCos-2.0 IBM-pibs"
makedepends="$depends_dev bc dtc python3-dev swig binutils coreutils zlib-dev newlib-arm-none-eabi bison flex"
options="!check !tracedeps"
source="
	uboot-imx-${_ubootversion}.tar.gz::https://source.puri.sm/Librem5/uboot-imx/-/archive/${_ubootversion}/uboot-imx-${_ubootversion}.tar.gz
	m4-${_m4version}.tar.gz::https://source.puri.sm/Librem5/Cortex_M4/-/archive/${_m4version}/Cortex_M4-${_m4version}.tar.gz
	arm-trusted-firmware-${_atfversion}.tar.gz::https://source.puri.sm/Librem5/arm-trusted-firmware/-/archive/${_atfversion}/arm-trusted-firmware-${_atfversion}.tar.gz
	https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-${_firmwareversion}.bin
	"
_ubootbuilddir="$srcdir"/uboot-imx-${_ubootversion}
_atfbuilddir="$srcdir"/arm-trusted-firmware-${_atfversion}
_m4builddir="$srcdir"/Cortex_M4-${_m4version}
_firmwarebuilddir="$srcdir"/firmware-imx-${_firmwareversion}

builddir="$_ubootbuilddir"

build() {
	msg "Building M4"
	cd "$_m4builddir"
	make

	msg "Building ARM trusted firmware"
	cd "$_atfbuilddir"
	LDFLAGS="" make PLAT=imx8mq bl31
	# Overwrite default bl31 binary with one made here
	cp -v "$_atfbuilddir"/build/imx8mq/release/bl31.bin "$_ubootbuilddir"/

	msg "Extracting DDR & HDMI firmware"
	cd "$srcdir"
	chmod +x firmware-imx-${_firmwareversion}.bin
	./firmware-imx-${_firmwareversion}.bin --auto-accept
	cp -v "$_firmwarebuilddir"/firmware/ddr/synopsys/lpddr4*.bin "$_ubootbuilddir"/
	cp -v "$_firmwarebuilddir"/firmware/hdmi/cadence/signed*.bin "$_ubootbuilddir"/

	msg "Building u-boot"
	cd "$_ubootbuilddir"
	# Note: HOSTCC is set explicitly here else it tries to use cc, which
	# doesn't exist on Alpine
	#
	# Devkit uboot firmware
	make distclean
	make ARCH=arm HOSTCC=gcc librem5_devkit_defconfig
	make ARCH=arm HOSTCC=gcc flash.bin
	mv flash.bin devkit-flash.bin

	# Phone uboot firmware
	make distclean
	make ARCH=arm HOSTCC=gcc librem5_defconfig
	make ARCH=arm HOSTCC=gcc flash.bin
	mv flash.bin phone-flash.bin

	msg "Building u-boot flashing images"
	# devkit
	dd if=/dev/zero of=devkit-boot.img bs=1024 count=1055
	dd if="$_m4builddir"/m4.bin conv=notrunc of="$_ubootbuilddir"/devkit-boot.img bs=1024
	dd if="$_ubootbuilddir"/devkit-flash.bin conv=notrunc of="$_ubootbuilddir"/devkit-boot.img bs=1024 seek=31

	# phone
	dd if=/dev/zero of=phone-boot.img bs=1024 count=1055
	dd if="$_m4builddir"/m4.bin conv=notrunc of="$_ubootbuilddir"/phone-boot.img bs=1024
	dd if="$_ubootbuilddir"/phone-flash.bin conv=notrunc of="$_ubootbuilddir"/phone-boot.img bs=1024 seek=31
	msg "done!"
}

package() {
	install -D -m644 "$_ubootbuilddir"/devkit-boot.img \
		"$pkgdir/usr/share/firmware/librem5/devkit-boot.img"
	install -D -m644 "$_ubootbuilddir"/phone-boot.img \
		"$pkgdir/usr/share/firmware/librem5/phone-boot.img"
}


sha512sums="ed4832f2ffacc1fa63cca361db32e1e8b267fe7e25d7e9c7d2e0ed5d4ac9f9db629e201bd1a77ac31e40a91aaf46f8aa52d3fdf48c2a03cf40cea24d7a0d41f8  uboot-imx-c6956b68d33fa08a17629cddceb00b93ce6d4d41.tar.gz
035a4358ddf586c829da7fa2fb0d9d1df913c0c454f2d0e57ff0c6794552e49950fb6373f9aaf72e0e4c78ab411496aabbc60bf66cd76e35053f7a2d77911735  m4-a017421c340a69f2392086da93841244f78a03c5.tar.gz
cd8c9411ae0e57d2c8c700bf3e8c8d03e7dab955ace249a00911dd8c42b42929e0de3a5885eb9b1d945174abc8cfb177595d83c235e757c70640f451b62547ba  arm-trusted-firmware-92c2de12d36b31938ce940d5cac3c30a98665237.tar.gz
309d3b8afd0884b055037396098f7eb938e4768604affc60e18b09e67596a593ccebe85ad130abf1e81a8fad257e5473152f259fa6cbb6d9730f6b3c11a3809d  firmware-imx-8.8.bin"
